UNIVERSITY COLLEGE DUBLIN

NATIONAL UNIVERSITY OF IRELAND, DUBLIN

Bachelor of Science in Management and Human Resource Management (BSc17 Sri Lanka)

BMGT 3003L: Operations Management

Answer four Questions Total Marks: 50 Time: 03 hours

Question Number -01

a) How do you understand operations strategy? Discuss the requirements from an operations perspective of competing on quality, cost, flexibility, speed, innovation and service.

b) What are the four basic types of production processes? How do they differ? Give an example of each.

Question Number -02

During registration at Tech every quarter, students in the Department of Management must have their courses approved by the departmental advisor. It takes the advisor an average of five minutes (exponentially distributed) to approve each schedule, and students arrive at the adviser’s office at the rate of 10 per hour (Poisson distributed). Compute

a) L, Lq, W, Wq, and pb) What do you think about this system? How would you change it?

Question Number -03

Professional Image Briefcases is an exclusive producer of Handcrafted, stylish cases. The company assembles each Case with care and attention to detail. This laborious process requires the completion of the six primary work elements listed here.

Work Element Precedence Performance time (Min)

A - Tan leather - 30

B - Dye leather A 15

C - Shape case B 10

D - Mould hinges and fixtures - 5

E- Install hinges and fixtures C,D 10

F- Assemble case E 10

a) Construct a precedence diagram for the manufacturing of briefcases.

b) Compute the flow time (cycle time) required for assembling one briefcase and the Takt time necessary to assemble 50 cases in a 40-hour week.

c. Balance the line and compute its efficiency.

d. How would you change the line to produce 80 cases per week?

Question Number -04

a) What does a learning curve specifically measure?b) Discuss some of the uses and limitations of learning curvesc) A military contractor is manufacturing an electronic component for a weapon system. It

is estimated from the production of a prototype unit that 176 hours of direct labour will be required to produce the first unit. The industrial standard learning curve for this type of component is 90 percent. The Contractor wants to know the labour hours that will be required for the 144th (and last) unit produced.

Question Number -05

c) What is six sigma Quality? Discuss the advantages of the concept of “quality at the source”

d) Write short notes giving examples on the following

a. Benefits of lean production systemb. Poka-Yoke ( Human Error Reduction)c. Overall Equipment Effectiveness (OEE)d. Pull System (kanban)